CN205679739U - The test device of Auxiliary System in Power Plant source fast switching system - Google Patents
The test device of Auxiliary System in Power Plant source fast switching system Download PDFInfo
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- CN205679739U CN205679739U CN201620558422.5U CN201620558422U CN205679739U CN 205679739 U CN205679739 U CN 205679739U CN 201620558422 U CN201620558422 U CN 201620558422U CN 205679739 U CN205679739 U CN 205679739U
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Abstract
The utility model discloses the test device of a kind of Auxiliary System in Power Plant source fast switching system, cut test cell soon including at least 1 group；Cut test cell soon and include working power combined floodgate, tripping relay and stand-by power supply combined floodgate, tripping relay；Working power is closed a floodgate, tripping relay respective pair of is normally opened, normally-closed contact is respectively connected to fast cutting system mimic-disconnecting switch position signalling；Work, stand-by power supply tripping relay coil concatenate between the power supplies with work, stand-by power supply trip operation outlet junctions respectively；Working power closing relay the second contact is in parallel with working power feed motion outlet junctions, concatenates between the power supplies with working power closing relay coil, tripping relay armature contact；Stand-by power supply closing relay the second contact is in parallel with stand-by power supply feed motion outlet junctions, concatenates between the power supplies with stand-by power supply closing relay coil, tripping relay armature contact.This utility model testing efficiency is high, and accuracy rate is high, low cost.
Description
Technical field
This utility model is specifically related to the test device of a kind of Auxiliary System in Power Plant source fast switching system.
Background technology
Along with development and the raising of people's living standard of economic technology, electric energy has had become as the daily production of people and life
One of requisite energy in work.Power plant is as the top of electrical network, and the various primary energy of nature are converted into by it
Electric energy, therefore the importance in power plant is self-evident.
The station service electrical system in power plant is one of most important ingredient in power plant, and therefore the station service in power plant is
Dual power supply, dual power supply is independently-powered and the most standby, to improve the reliability of Auxiliary System in Power Plant supply.Service power is fast
Speed switched system act as overlapping at station service two be powered quick power switching between power supply, to ensure Auxiliary System in Power Plant
The uninterrupted reliable supply in source, thus ensure the reliability service of power plant equipment.Therefore, Auxiliary System in Power Plant source is switched fast and is
System (the fast cutting system of station service) is the key ingredient in the station service electrical system in power plant.
Importance due to the fast cutting system of station service, it is therefore desirable to periodically cutting system fast to station service carries out performance test,
To ensure the service behaviour of the fast cutting system of station service.But, at present during the debugging of station-service fast switching device, because of station service not
Can have a power failure, it is impossible to directly belt switch is directly debugged, therefore generally require, in debugging engineering, the short circuit that commissioning staff is artificial
Switch feedback is simulated test, and in fast cutting system, the closing time of vacuum circuit breaker is 50-70ms, and the trip time is 20-
30ms, two people need highly to coordinate aptitude tests success, are failure in most cases, and therefore process of the test to be wasted greatly
The time of amount.
Utility model content
The purpose of this utility model is to provide a kind of test that can be rapidly completed the fast cutting system of station service and tests
Efficiency and the test device of the most high Auxiliary System in Power Plant source fast switching system of accuracy rate.
The test device of this Auxiliary System in Power Plant source fast switching system that this utility model provides, including least one set
Cut test cell soon；Cut test cell soon for one group and include working power closing relay, working power tripping relay, standby electricity
Source closing relay and stand-by power supply tripping relay；First normally opened contact of working power closing relay, first normally closed touch
Point and the first normally opened contact of stand-by power supply closing relay, the first normally-closed contact be respectively connected to the fast cutting system of station service and for
Simulate the circuit breaker position signal of fast cutting system；The coil of working power tripping relay trips with the working power of fast cutting system
Action outlet loop is concatenated between power supply；The coil of stand-by power supply tripping relay is dynamic with the stand-by power supply tripping operation of fast cutting system
Loop is concatenated between power supply for export；The working power of the second contact of working power closing relay and fast cutting system is closed a floodgate
After action outlet junctions parallel connection, it is serially connected in power supply with the coil of working power closing relay, the armature contact of tripping relay
Between；After second contact of stand-by power supply closing relay is in parallel with the stand-by power supply feed motion outlet junctions of fast cutting system,
Concatenate between the power supplies with the coil of stand-by power supply closing relay, the armature contact of tripping relay.
First normally opened contact of described working power closing relay, the first normally-closed contact and stand-by power supply combined floodgate relay
First normally opened contact of device, the first normally-closed contact are respectively connected to the fast cutting system of station service, are specifically connected as working power combined floodgate and continue
First normally opened contact of electrical equipment accesses fast cutting system and is used for simulating working power switching signal, the of working power closing relay
One normally-closed contact accesses fast cutting system and is used for simulating working power trip signal, and the first of stand-by power supply closing relay is normally opened tactile
Point accesses fast cutting system and is used for simulating stand-by power supply switching signal, and the first normally-closed contact of stand-by power supply closing relay accesses fast
Cutting system is used for simulating stand-by power supply trip signal.
Second contact of described working power closing relay is normally opened contact.
The armature contact of described tripping relay is normally-closed contact.
Second contact of described stand-by power supply closing relay is normally opened contact.
The power supply that described power supply provides for the fast cutting system of station service.
Described working power closing relay, working power tripping relay, stand-by power supply closing relay and standby
Power source trip relay is the time relay.
The delay time of described working power closing relay and the delay time of stand-by power supply closing relay are arranged
The closing time of the on and off switch for controlling less than or equal to the fast cutting system of station service.
The delay time of described working power tripping relay and the delay time of stand-by power supply tripping relay are arranged
The trip time of the on and off switch for controlling less than or equal to the fast cutting system of station service.
The test device of this Auxiliary System in Power Plant source fast switching system that this utility model provides, by simple electricity
Gas parts construct the test circuit that practicality is extremely strong, it is possible to cutting system fast to multichannel is tested simultaneously, and testing efficiency is high, survey
Try effective, and with low cost；This utility model is tested automatically by electric component, it is to avoid during manual testing
Measuring accuracy is the highest, the time-consuming extremely long drawback of test.
Accompanying drawing explanation
Fig. 1 is the circuit interconnect pattern that this utility model one group cuts a kind of embodiment of test cell soon.
Detailed description of the invention
It is illustrated in figure 1 the circuit interconnect pattern of one group of a kind of embodiment cutting test cell soon of the present utility model: cut soon
Test cell includes working power closing relay (indicating HJ1 in figure), working power tripping relay (indicating TJ1 in figure),
Stand-by power supply closing relay (indicating HJ2 in figure) and stand-by power supply tripping relay (indicating TJ2 in figure)；Working power is closed a floodgate
First normally opened contact of relay accesses fast cutting system and is used for simulating working power switching signal, working power closing relay
First normally-closed contact accesses fast cutting system and is used for simulating working power trip signal, and the first of stand-by power supply closing relay is normally opened
Contact is accessed fast cutting system and is used for simulating stand-by power supply switching signal, and the first normally-closed contact of stand-by power supply closing relay accesses
Fast cutting system is used for simulating stand-by power supply trip signal；The coil of working power tripping relay and the working power of fast cutting system
Trip operation outlet junctions (indicating TGZ in figure) is serially connected between power supply (indicating+KM and-KM in figure)；Stand-by power supply tripping operation continues
The coil of electrical equipment concatenates between the power supplies with the stand-by power supply trip operation outlet junctions (indicating TBY in figure) of fast cutting system；Work
The working power feed motion outlet junctions of the second normally opened contact and fast cutting system of making power supply closing relay (indicates in figure
HZZ), after parallel connection, concatenate between the power supplies with the coil of working power closing relay, the normally-closed contact of tripping relay；Standby
The stand-by power supply feed motion outlet junctions (indicating HBY in figure) of the second normally opened contact of power supply closing relay and fast cutting system
After parallel connection, concatenate between the power supplies with the coil of stand-by power supply closing relay, the normally-closed contact of tripping relay.
The power supply that power supply provides for the fast cutting system of station service, it is possible to use individually power supply.It is said that in general, to use factory
The power supply that the fast cutting system of electricity consumption provides is preferred version, to ensure that this test cell at utmost simulation plant electricity consumption can be cut soon and is
The working environment of system.
Working power closing relay, working power tripping relay, stand-by power supply closing relay and stand-by power supply are jumped
Lock relay all recommends the time relay, and the delay time of working power closing relay and stand-by power supply close a floodgate and continue
The delay time of electrical equipment is set smaller than or is equal to the closing time of the on and off switch that the fast cutting system of station service controls；Working power
The delay time of tripping relay and the delay time of stand-by power supply tripping relay is set smaller than or cuts soon equal to station service
The trip time of the on and off switch that system controls.The purpose using the time relay is so that pull up time can
To adjust, to be applicable to the fast cutting system of all types of station services, to improve the versatility of this test device.
During this test cell specific works, first with the transmission agency of the fast cutting system of station service close working power close a floodgate continue
Electrical equipment, now fast switching device judges that working power is closed a floodgate, stand-by power supply separating brake；Then have only to simulate with relay-protection tester
It is passed through current and voltage quantities, it is ensured that fast switching device has met switching condition can be tested: now to station service to fast switching device
The quick power switching signal of fast cutting system one simulation, the stand-by power supply feed motion outlet junctions of fast cutting system in this needle drawing
Meeting action, the stand-by power supply closing relay that closes (i.e. in-put of spare power supply use), stand-by power supply closing relay coil powers on
After, the first normally opened contact Guan Bi of stand-by power supply closing relay, now fast cutting system receives stand-by power supply switching signal, sends
Working power trip signal, in figure, the working power trip operation outlet junctions Guan Bi of fast cutting system, jumps working power relay
Action, thus working power closing relay coil losing electricity loss of excitation, contact disconnects, and fast cutting system is judged as that working power switch is jumped
Opening, in-put of spare power supply, power supply switching is complete.
Claims (9)
1. a test device for Auxiliary System in Power Plant source fast switching system, cuts test cell soon including least one set；One group
Cut test cell soon and include working power closing relay, working power tripping relay, stand-by power supply closing relay and standby
Use power supply tripping relay；First normally opened contact of working power closing relay, the first normally-closed contact and stand-by power supply close a floodgate
First normally opened contact of relay, the first normally-closed contact are respectively connected to the fast cutting system of station service and for simulating the disconnected of fast cutting system
Road device position signalling；The coil of working power tripping relay concatenates with the working power trip operation outlet loop of fast cutting system
Between power supply；The coil of stand-by power supply tripping relay is concatenated into the stand-by power supply trip operation outlet loop of fast cutting system
Between power supply；Second contact of working power closing relay is in parallel with the working power feed motion outlet junctions of fast cutting system
After, concatenate between the power supplies with the coil of working power closing relay, the armature contact of tripping relay；Stand-by power supply closes a floodgate
After second contact of relay is in parallel with the stand-by power supply feed motion outlet junctions of fast cutting system, with stand-by power supply combined floodgate relay
The coil of device, the armature contact of tripping relay concatenate between the power supplies.
The test device of Auxiliary System in Power Plant source the most according to claim 1 fast switching system, it is characterised in that described
The first normally opened contact of working power closing relay, the first normally-closed contact and stand-by power supply closing relay first normally opened
Contact, the first normally-closed contact are respectively connected to the fast cutting system of station service, are specifically connected as the first normal of working power closing relay
Open contact access fast cutting system for simulating working power switching signal, the first normally-closed contact of working power closing relay connects
Entering fast cutting system for simulating working power trip signal, the first normally opened contact of stand-by power supply closing relay accesses to cut soon and is
System is used for simulating stand-by power supply switching signal, and the first normally-closed contact of stand-by power supply closing relay accesses fast cutting system for mould
Intend stand-by power supply trip signal.
The test device of Auxiliary System in Power Plant source the most according to claim 1 fast switching system, it is characterised in that described
The second contact of the working power closing relay in parallel with the working power feed motion outlet junctions of fast cutting system be normal
Open contact.
The test device of Auxiliary System in Power Plant source the most according to claim 1 fast switching system, it is characterised in that described
The armature contact of tripping relay be normally-closed contact.
The test device of Auxiliary System in Power Plant source the most according to claim 1 fast switching system, it is characterised in that described
The second contact of the stand-by power supply closing relay in parallel with the stand-by power supply feed motion outlet junctions of fast cutting system be normal
Open contact.
6., according to the test device of the Auxiliary System in Power Plant source fast switching system one of claim 1 ~ 5 Suo Shu, its feature exists
In the power supply that described power supply provides for the fast cutting system of station service.
7., according to the test device of the Auxiliary System in Power Plant source fast switching system one of claim 1 ~ 5 Suo Shu, its feature exists
Jump in described working power closing relay, working power tripping relay, stand-by power supply closing relay and stand-by power supply
Lock relay is the time relay.
The test device of Auxiliary System in Power Plant source the most according to claim 7 fast switching system, it is characterised in that described
The delay time of working power closing relay and the delay time of stand-by power supply closing relay be set smaller than or be equal to
The closing time of the on and off switch that the fast cutting system of station service controls.
The test device of Auxiliary System in Power Plant source the most according to claim 7 fast switching system, it is characterised in that described
The delay time of working power tripping relay and the delay time of stand-by power supply tripping relay be set smaller than or be equal to
The trip time of the on and off switch that the fast cutting system of station service controls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558422.5U CN205679739U (en) | 2016-06-12 | 2016-06-12 | The test device of Auxiliary System in Power Plant source fast switching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620558422.5U CN205679739U (en) | 2016-06-12 | 2016-06-12 | The test device of Auxiliary System in Power Plant source fast switching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679739U true CN205679739U (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620558422.5U Expired - Fee Related CN205679739U (en) | 2016-06-12 | 2016-06-12 | The test device of Auxiliary System in Power Plant source fast switching system |
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| CN (1) | CN205679739U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465255A (en) * | 2017-08-10 | 2017-12-12 | 西安热工研究院有限公司 | A kind of Turbo-generator Set accident starts auxiliary Power switching method and system |
| CN107783001A (en) * | 2017-12-24 | 2018-03-09 | 康楷 | Fast switching device definite value static check chamber |
| CN108957310A (en) * | 2018-09-06 | 2018-12-07 | 江苏常熟发电有限公司 | A kind of portable plant electricity consumption fast switching device testing cassete |
| CN110364996A (en) * | 2019-07-24 | 2019-10-22 | 国家电网有限公司 | Improve the protective device of station service power supply reliability |
| CN107783001B (en) * | 2017-12-24 | 2024-05-31 | 康楷 | Fixed value static check test box of quick cutting device |
-
2016
- 2016-06-12 CN CN201620558422.5U patent/CN205679739U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107465255A (en) * | 2017-08-10 | 2017-12-12 | 西安热工研究院有限公司 | A kind of Turbo-generator Set accident starts auxiliary Power switching method and system |
| CN107465255B (en) * | 2017-08-10 | 2019-06-04 | 西安热工研究院有限公司 | A kind of Turbo-generator Set accident starting auxiliary Power switching method and system |
| CN107783001A (en) * | 2017-12-24 | 2018-03-09 | 康楷 | Fast switching device definite value static check chamber |
| CN107783001B (en) * | 2017-12-24 | 2024-05-31 | 康楷 | Fixed value static check test box of quick cutting device |
| CN108957310A (en) * | 2018-09-06 | 2018-12-07 | 江苏常熟发电有限公司 | A kind of portable plant electricity consumption fast switching device testing cassete |
| CN110364996A (en) * | 2019-07-24 | 2019-10-22 | 国家电网有限公司 | Improve the protective device of station service power supply reliability |
| CN110364996B (en) * | 2019-07-24 | 2021-08-20 | 国家电网有限公司 | Protection device for improving service power supply reliability |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20170612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |